National Stock Number
4820-00-486-1883
National Stock Number (NSN) 4820-00-486-1883, or NIIN 004861883, (valve,check) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4820005177790.
There are 12 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 05487. [A VALVE PERMITTING FLOW IN ONE DIRECTION ONLY. IT DOES NOT HAVE A STEM, EXCEPT WHEN EQUIPPED WITH A LEVER AND WEIGHT AND HAS NO PRESSURE ADJUSTMENT. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820004861883 contains an unknown precious metal.
This NSN is associated to Schedule B 8481309000: check valves of materials other than copper, iron or steel. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332911: industrial valve manufacturing.
This information was last updated on Jul 01, 2025.